Diesel truck fans may have heard the legends surrounding the 12-valve Cummins. Found in trucks like Dodge Rams from 1989 to 1998, its fully mechanical fuel system and rugged injectors are celebrated ...

In the swirling, churning fireball at the heart of every internal combustion engine, complexity reigns supreme. Valves and pistons lunge up and down at thousands of feet per second, pressure spikes to ...

If you want to squeeze more power out of a 24-valve diesel Cummins engine, you might want to change out its fuel-injection pump with the P-pump conversion kit.

The fuel injection pump is the heart of the diesel engine. Precisely delivered fuel maintains a rhythm or timing that keeps the engine running smooth. Simultaneously, the pump also controls the amount ...